252173680

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^2\times {\mathrm{109}}^1\times {\mathrm{239}}^1$

素因数の和:383

約数の個数: 120

約数和(自身を含む): 653083200

約数和(自身を除く): 400909520

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 109, 110, 121, 176, 218, 220, 239, 242, 436, 440, 478, 484, 545, 605, 872, 880, 956, 968, 1090, 1195, 1199, 1210, 1744, 1912, 1936, 2180, 2390, 2398, 2420, 2629, 3824, 4360, 4780, 4796, 4840, 5258, 5995, 8720, 9560, 9592, 9680, 10516, 11990, 13145, 13189, 19120, 19184, 21032, 23980, 26051, 26290, 26378, 28919, 42064, 47960, 52102, 52580, 52756, 57838, 65945, 95920, 104204, 105160, 105512, 115676, 130255, 131890, 144595, 208408, 210320, 211024, 231352, 260510, 263780, 286561, 289190, 416816, 462704, 521020, 527560, 573122, 578380, 1042040, 1055120, 1146244, 1156760, 1432805, 2084080, 2292488, 2313520, 2865610, 3152171, 4584976, 5731220, 6304342, 11462440, 12608684, 15760855, 22924880, 25217368, 31521710, 50434736, 63043420, 126086840, 252173680]

約数ペア:

[(1, 252173680), (2, 126086840), (4, 63043420), (5, 50434736), (8, 31521710), (10, 25217368), (11, 22924880), (16, 15760855), (20, 12608684), (22, 11462440), (40, 6304342), (44, 5731220), (55, 4584976), (80, 3152171), (88, 2865610), (109, 2313520), (110, 2292488), (121, 2084080), (176, 1432805), (218, 1156760), (220, 1146244), (239, 1055120), (242, 1042040), (436, 578380), (440, 573122), (478, 527560), (484, 521020), (545, 462704), (605, 416816), (872, 289190), (880, 286561), (956, 263780), (968, 260510), (1090, 231352), (1195, 211024), (1199, 210320), (1210, 208408), (1744, 144595), (1912, 131890), (1936, 130255), (2180, 115676), (2390, 105512), (2398, 105160), (2420, 104204), (2629, 95920), (3824, 65945), (4360, 57838), (4780, 52756), (4796, 52580), (4840, 52102), (5258, 47960), (5995, 42064), (8720, 28919), (9560, 26378), (9592, 26290), (9680, 26051), (10516, 23980), (11990, 21032), (13145, 19184), (13189, 19120)]